Today's Question:  What are you most afraid of as a programmer?        GIVE A SHOUT

  WRITE ARTICLE

 ALL


  Cache Reheating - Not to be Ignored

An important aspect to keep in mind with databases is the cost of cache reheating after a server restart. Consider the following diagram which shows several cache servers (e.g., memcached) in front of a database server.This sort of setup is common and can work quite well when appropriate; it removes read load from the database and allows more RAM to be utilized for scaling (when the database doesn’t scale horizontally). But what happens if all the cache servers restart at the same time, say, o...

1,254 0 0          DATABASE ADVICE COST CACHE REHEATING